Libyan rebels observe the frontline at Ajdabiya
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Operation Odyssey Dawn may be quickly losing steam in Libya.

Qaddafi has surrounded himself with civilian supporters in Tripoli, according to the NYT. His forces are bringing civilians to Misrata to use as human shields, a rebel spokesman told Reuters.

A soldier looks through the ruins at Qaddafi's headquarters
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On the other front, the rebels drove Qaddafi's forces back from Benghazi and are now holding the line 150 kilometers away at Ajdabiya, according to The Guardian.

We are approaching the stalemate scenario that Admiral Mike Mullen warned of over the weekend. Two goals of the UN resolution -- protecting Benghazi and establishing a no-fly zone -- have been accomplished. Now the coalition differs as to how they should continue.A barrage of anti-aircraft guns over Tripoli

British Foreign Secretary Willaim Hague hinted that Qaddafi could be targeted if he ordered atrocities against his people. Germany's foreign minister told Der Spiegel Qaddafi must go. Washington has refused to say regime change is a goal.

Reports that the Colonel's son, Khamis, was killed in the bombing, however, have not been confirmed.

Putin says the UN resolution on Libya resembles medieval calls for crusades, according to Reuters. He says interference in other countries' internal affairs is becoming a trend in U.S. foreign policy. Qaddafi's regime is undemocratic, but that does not justify military intervention.

7:30 ET: Qaddafi's forces are bombarding the town of Zintan near Misrata with tanks and heavy, long-range missiles, according to FP's Blake Hounshell.

10:09 ET: Britain's Sir David Richards ruled out targeting Qaddafi. However, senior figures at 10 Downing Street say an assassination would be legal because Qaddafi is targeting civilians, according to the BBC.

10:34 ET: The involvement of U.S. military aircraft in Libya has "plateaued," a military spokesman said.

12:30 ET: David Cameron said in a speech that Britain would enforce a no-fly zone but let the Libyan's sort their own future out, according to The Guardian.

13:21 ET: The US military knows little about the whereabouts of Qaddafi, a US general said today, according to Al Jazeera.

14:44 ET: While giving a speech in Chile, Obama said that Qaddafi has to go, but that his ouster is not the point of the UN mission. It's a subtle distinction.

15:04 ET: A loud explosion was just heard in Tripoli, followed by anti-aircraft rounds. There's smoke rising in the south of the city, according to AJ.

16:24 ET: More heavy anti-aircraft fire over the Libyan capital of Tripoli, according to Sky News.